Yes it is. I did it with some alien models. Here is the fpe file for an example.
;header
desc = AlienHivebrain
;ai
aiinit = appear1.fpi
aimain = people\meleeclose10.fpi
aidestroy = destroy\fadecorpse.fpi
aishoot =
soundset = male
;spawn
spawnmax = 0
spawndelay = 0
spawnqty = 0
;orientation
model = AlienHivebrain.x
offx = 0
offy = 0
offz = 0
rotx = 0
roty = 0
rotz = 0
scale = 80
fixnewy = 180
;cone of sight
coneheight = 53
coneangle = 50
;visualinfo
textured = alien1_d2.dds
effect = effectbank\bumpbone\bumpbone.fx
;decals
decalmax = 2
decal0 = red
decal1 = blood
;identity details
strength = 100
ischaracter = 1
hasweapon =
isobjective = 0
cantakeweapon = 1
;bodypartslimbinfo (1=head/2=body/3+4=armslr/5+6=legslr)
limbmax = 0
;animationinfo
animmax = 22
anim0 = 73,96 ; idle animation
anim1 = 73,96
anim2 = 1,24 ; walking animation
anim3 = 1,24
anim4 = 1,24
anim5 = 25,48
anim6 = 73,73
anim7 = 73,73
anim8 = 49,72 ; attack animation
anim11 = 97,120 ; death animation
anim12 = 97,120
anim13 = 84,96 ; arise
anim14 = 97,120
anim15 = 97,120
anim16 = 84,96
anim17 = 97,120
anim18 = 97,120
anim20 = 97,120
anim21 = 97,120
;footfallinfo
footfallmax = 2
footfall0 = 155
footfall1 = 170
gamer, lover, filmmaker